E1412
H. E. Chrestenson, W. C. Waterhouse, R. H. Breusch, J. L. Brown, Jr. and Albert WilanskyVolume:
67
Language:
english
Journal:
The American Mathematical Monthly
DOI:
10.2307/2309251
Date:
December, 1960
File:
PDF, 281 KB
english, 1960